105 citations · 133 across the 2 of their papers we have counts for
2 papers
astro-ph.SR2017★ 105 cited
Time resolved 2 million year old supernova activity discovered in Earth's microfossil record
Peter Ludwig, Shawn Bishop, Ramon Egli +11
Massive stars, which terminate their evolution as core collapse supernovae, are theoretically predicted to eject more than 1E-5 solar masses of the radioisotope 60Fe. If such an ev…
astro-ph.EP2010★ 28 cited
Discovery Prospects for a Supernova Signature of Biogenic Origin
Shawn Bishop, Ramon Egli
Approximately 2.8 Myr before the present our planet was subjected to the debris of a supernova explosion. The terrestrial proxy for this event was the discovery of live atoms of 60…